Dave Grohl has recalled the first time he met AC/DC, with Paul McCartney also in attendance.The all-star cast ended up going to dinner after the Grammys one year, ending in “one of the greatest nights of [Grohl’s] entire life”.Explaining how the occasion came about, Grohl told Anders Bøtters Tiny TV: “I wasn’t performing at the Grammys; I was presenting an award or something. I’m lucky to say that Paul McCartney is a friend, and I love him very much.